Adolfo Delorenzo 1de36289a5 fix(arm64): tr -d '[:space:]' is parsed as literal char-set by busybox 1.30.1 ...

Ubuntu's busybox-static 1.30.1 (which we use for the ARM64 rootfs after
piCore64's BusyBox crashes in QEMU virt) doesn't recognize POSIX character
classes. `tr -d '[:space:]'` is interpreted as "delete any of the literal
characters [, :, s, p, a, c, e, ]" — so every s/p/a/c/e in module names and
sysctl keys gets eaten.

Symptoms in the boot log:
  virtio_net  -> virtio_nt   (e dropped)
  overlay     -> ovrly       (e, a dropped)
  bridge      -> bridg       (e dropped)
  nf_conntrack -> nf_onntrk  (c, a, c dropped)
  net.bridge.bridge-nf-call-iptables -> nt.bridg.bridg-nf-ll-itbl

Fix: use explicit whitespace chars `tr -d ' \t\r\n'` in both
30-kernel-modules.sh and 40-sysctl.sh. Works under any tr implementation.

Also: filter functions.sh out of the init.d stage-copy loop. It's a shared
library (sourced by init.sh), not a numbered stage. With it in init.d the
main loop runs it as a stage after stage 90, then panics with "Init
completed without exec'ing KubeSolo".

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-05-14 16:02:21 -06:00

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